7/16-14 x 5 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (25)

1/4 x 3 Mushroom Spike Zinc Plated (100)

3/8-24 x 1 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (675)

5/16-18 x 5 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (50)

3/8-16 x 1 7/8 Hex Sleeve Anchor Zinc Plated (50)

9/16-18 x 4 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (100) Nylon Insert Locknuts 18-8 Stainless Steel 7/16-14 x 5 1/2 Grade9 16 18 x 4 1 2 Grade 5 Hex Cap Screw Plain Domestic USA (100). Grade 5 Hex Cap Screws are manufactured in the USA from medium carbon steel. Our Grade 5 material meets or exceeds SAE J429 Grade 5 specifications. All products are manufactured with rolled threads. Typical hardness on diameters 1 4 to 1 inch is HRC 25 34. On diameters over 1 inch to 1 1 2 hardness will range from HRC 19 30. Tensile strength for diameters 1 4 to 1 inch is a minimum of